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Sheriff: Calif. shooter Rodger flew ‘under the radar’ when deputies visited him in April

“He had some emotional trouble,” Williams said in an interview. “He was upset. We all get upset sometimes. . . . We have to have a pretty strong belief to take someone’s rights away — the right to bear arms, the freedom.”

This, said Carolyn Reinach Wolf, a New York-based lawyer who specializes in mental-health cases, is not enough.

“If the police show up and the person pulls it together, that shouldn’t be the end of it and it shouldn’t be acceptable,” she said. “We’re seeing the ball dropped when an individual is somebody of concern, but looks and sounds okay on the surface.”